Unit tests are extra build target

CMakeLists.txt

 set (CMAKE_BUILD_TYPE "Debug")
 
 # Add subdirectories
-add_subdirectory ("src")
-add_subdirectory ("test")
+add_subdirectory (src)
+add_subdirectory (test)
+
+# Add test target
+add_custom_target (tests)
+add_dependencies (tests GLStringTest MathTest MatrixTest NetworkTest SoundTest TGATest TombRaiderTest)
 
 # Preparing the bundle on install
 # http://www.cmake.org/Wiki/BundleUtilitiesExample

README.md

     make
     ./src/OpenRaider
 
-On Mac OS X, running make install will produce a distributable OpenRaider.app bundle.
+On Mac OS X, running `make install` will produce a distributable OpenRaider.app bundle.
+
+To build all Unit Tests, run `make tests`.
 
 ## Usage
 

test/CMakeLists.txt

 
 # TGA Test
 set (TGASRCS "${PROJECT_SOURCE_DIR}/test/tga.cpp" "${PROJECT_SOURCE_DIR}/src/tga.cpp")
-add_executable (TGATest ${TGASRCS})
+add_executable (TGATest EXCLUDE_FROM_ALL ${TGASRCS})
 set_target_properties (TGATest PROPERTIES COMPILE_FLAGS ${OpenRaider_CXX_FLAGS})
 
 #################################################################
 
 # Sound Test
 set (SOUNDSRCS "${PROJECT_SOURCE_DIR}/test/Sound.cpp" "${PROJECT_SOURCE_DIR}/src/Sound.cpp")
-add_executable (SoundTest ${SOUNDSRCS})
+add_executable (SoundTest EXCLUDE_FROM_ALL ${SOUNDSRCS})
 set_target_properties (SoundTest PROPERTIES COMPILE_FLAGS ${OpenRaider_CXX_FLAGS})
 target_link_libraries (SoundTest ${SOUNDLIBS})
 
 # Network Test
 set (NETWORKSRCS "${PROJECT_SOURCE_DIR}/test/Network.cpp" "${PROJECT_SOURCE_DIR}/src/Network.cpp")
 set (NETWORKSRCS ${NETWORKSRCS} "${PROJECT_SOURCE_DIR}/src/MatMath.cpp" "${PROJECT_SOURCE_DIR}/src/Vector3d.cpp")
-add_executable (NetworkTest ${NETWORKSRCS})
+add_executable (NetworkTest EXCLUDE_FROM_ALL ${NETWORKSRCS})
 set_target_properties (NetworkTest PROPERTIES COMPILE_FLAGS ${OpenRaider_CXX_FLAGS})
 target_link_libraries (NetworkTest m ${THREADLIBS})
 
 
 # Math Test
 set (MATHSRCS "${PROJECT_SOURCE_DIR}/test/MatMath.cpp" "${PROJECT_SOURCE_DIR}/src/MatMath.cpp" "${PROJECT_SOURCE_DIR}/src/Vector3d.cpp")
-add_executable (MathTest ${MATHSRCS})
+add_executable (MathTest EXCLUDE_FROM_ALL ${MATHSRCS})
 set_target_properties (MathTest PROPERTIES COMPILE_FLAGS ${OpenRaider_CXX_FLAGS})
 
 #################################################################
 set (MATRIXSRCS "${PROJECT_SOURCE_DIR}/test/Matrix.cpp" "${PROJECT_SOURCE_DIR}/src/Matrix.cpp")
 set (MATRIXSRCS ${MATRIXSRCS} "${PROJECT_SOURCE_DIR}/src/Vector3d.cpp" "${PROJECT_SOURCE_DIR}/src/MatMath.cpp")
 set (MATRIXSRCS ${MATRIXSRCS} "${PROJECT_SOURCE_DIR}/src/Quaternion.cpp")
-add_executable (MatrixTest ${MATRIXSRCS})
+add_executable (MatrixTest EXCLUDE_FROM_ALL ${MATRIXSRCS})
 set_target_properties (MatrixTest PROPERTIES COMPILE_FLAGS ${OpenRaider_CXX_FLAGS})
 target_link_libraries (MatrixTest m)
 
 # GLString Test
 set (GLSTRINGSRCS "${PROJECT_SOURCE_DIR}/test/GLString.cpp" "${PROJECT_SOURCE_DIR}/src/GLString.cpp")
 set (GLSTRINGSRCS ${GLSTRINGSRCS} "${PROJECT_SOURCE_DIR}/src/tga.cpp" "${PROJECT_SOURCE_DIR}/src/Texture.cpp")
-add_executable (GLStringTest ${GLSTRINGSRCS})
+add_executable (GLStringTest EXCLUDE_FROM_ALL ${GLSTRINGSRCS})
 set_target_properties (GLStringTest PROPERTIES COMPILE_FLAGS ${OpenRaider_CXX_FLAGS})
 target_link_libraries (GLStringTest m ${GLLIBS})
 
 set (TOMB_FLAGS "-D__TEST_TR5_DUMP_TGA -D__TEST_32BIT_TEXTILES")
 set (TOMBSRCS "${PROJECT_SOURCE_DIR}/test/TombRaider.cpp" "${PROJECT_SOURCE_DIR}/src/TombRaider.cpp")
 set (TOMBSRCS ${TOMBSRCS} "${PROJECT_SOURCE_DIR}/src/tga.cpp")
-add_executable (TombRaiderTest ${TOMBSRCS})
+add_executable (TombRaiderTest EXCLUDE_FROM_ALL ${TOMBSRCS})
 set_target_properties (TombRaiderTest PROPERTIES COMPILE_FLAGS "${OpenRaider_CXX_FLAGS} ${TOMB_FLAGS}")
 target_link_libraries (TombRaiderTest ${ZLIBS})